Method and device for producing a twisted yarn

Details Method and device for producing a twisted yarn Method and device for producing a twisted yarn

1995-08-04

1997-02-25

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57 5849, 57 5852, 57 59, 57 60, 57408, 57409, 57411, D01H 400, D01H 786

Patent

active

056050372

ABSTRACT:
A device for producing a twisted yarn has a spindle rotor with a hollow spindle axle connected to a vacuum source and also has a vacuum chamber connected to the hollow spindle axle. A fiber-dissolving device for producing individual staple fibers is provided. At least two spinning rotors are positioned in the vacuum chamber for spinning spun yarns from the individual staple fibers. A centering device is positioned above the spinning rotors on the axis of the hollow spindle axle. The spindle rotor has an annular channel for receiving the individual staple fibers from the fiber-dissolving device. The spindle rotor has supply channels connected between the annular channel and the spinning rotors for supplying the individual staple fibers from the annular channel to the spinning rotors. The spindle rotor has spun yarn removal channels for removing the spun yarns from the spinning rotors and for guiding the spun yarns to the centering device. A winding device for winding the twisted yarn, produced by the spindle rotor from the spun yarns and guided through the centering device, onto a bobbin is also provided.

REFERENCES:
patent: 2498921 (1950-02-01), Holm
patent: 3478505 (1969-11-01), Braaten et al.
patent: 3703074 (1972-11-01), Staneff
patent: 3757507 (1973-09-01), Maxham
patent: 4567723 (1986-02-01), Safar
patent: 4768980 (1988-09-01), Sibert
patent: 5479771 (1996-01-01), Ballhausen et al.
patent: 5499496 (1996-03-01), Stenmans

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